Transfer agent of immunity. VII. Partial purification of immune ribonucleic acid.
D000818:Animals; D000921:Antibody-Producing Cells; D002499:Centrifugation, Density Gradient; D002845:Chromatography; D006386:Hemagglutination Tests; D007112:Immunity, Maternally-Acquired; D007116:Immunization, Passive; D051379:Mice; D012313:RNA / Q000302:isolation & purification*; D013154:Spleen / Q000276:immunology
D012313:RNA